31712732450315 has 24 divisors (see below), whose sum is σ = 45696398159232. Its totient is φ = 21044393879040.

The previous prime is 31712732450299. The next prime is 31712732450317. The reversal of 31712732450315 is 51305423721713.

It is not a de Polignac number, because 31712732450315 - 2⁴ = 31712732450299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31712732450317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2087729894 + ... + 2087745083.

It is an arithmetic number, because the mean of its divisors is an integer number (1904016589968).

Almost surely, 2^{31712732450315} is an apocalyptic number.

31712732450315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31712732450315 is a deficient number, since it is larger than the sum of its proper divisors (13983665708917).

31712732450315 is a wasteful number, since it uses less digits than its factorization.

31712732450315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175475027 (or 4175475020 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 31712732450315 in words is "thirty-one trillion, seven hundred twelve billion, seven hundred thirty-two million, four hundred fifty thousand, three hundred fifteen".